Inhibitors of protein tyrosine phosphatase 1B (PTP1B)

Recent studies have demonstrated that protein tyrosine phosphatase 1B (PTP1B) is involved in the down regulation of insulin signaling. Selective inhibitors of PTP1B hold much promise for the treatment of type 2 diabetes mellitus and obesity. Consequently much effort, by both industry and academia, has been devoted towards the development of PTP1B specific inhibitors. This article gives an overview of reports that have appeared in the primary scientific literature on the development of PTP1B inhibitors, starting from the days of early development up to September of 2002.